#include <cassert>
#include <cctype>
#include <setjmp.h>
#include <signal.h>
#include <cstdio>
#include <cstdlib>
#include <iostream>

int main(int argc, char** argv) {
  int guifd;

  signal(SIGPIPE, SIG_IGN); // ignore some signal

  if (argc > 1) std::cout << "argc is not 1, more than 2" << std::endl; 

  // ev_loop();
  return 0;
}